In honor of the launch of "Opus," cartoonist Berkeley Breathed will sit in on a live online chat at 11 a.m. MST. The chat, which will give readers a rare opportunity to ask questions of the reclusive Pulitzer Prize-winning cartoonist, will be moderated by Suzanne Tobin, comics editor for the Washington Post.

Questions may be submitted before or during the chat at http://discuss.washingtonpost.com/wp-srv/zforum/03/r_style_cartoon112103.htm.